Sadly I didn't manage to add (due to problems with breaking licensed version protection) a fart gun to old versions, which according to patch notes should kill rhino boss Run has a lot of flaws, but at the same time other parts went perfectly

mod note: this run uses the dll files from v1.0 on a game copy with v1.10 assets. as of 3/21/23 this is not allowed but has been grandfathered in to preserve the history - hoon